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Propagational Corrections for Basin Structure: Landers Earthquake

Wen, Lianxing and Helmberger, Donald V. (1997) Propagational Corrections for Basin Structure: Landers Earthquake. Bulletin of the Seismological Society of America, 87 (3). pp. 782-787. ISSN 0037-1106.

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Transfer functions appropriate for correcting for propagational distortion caused by basin structures (2D) given a hard-rock (1D) response are developed. The transfer functions are generated theoretically using a hybrid method where the finite-difference technique is employed only in the basin. This allows for efficient computation and the ability to separate path contributions due to body waves and surface waves. The procedure is used to explain some strong motions observed in the Los Angeles basin relative to the hard-rock site Pasadena during the 1992 Landers earthquake.

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Additional Information:© 1997 Seismological Society of America. Manuscript received 4 June 1996. We thank Hiroo Kanamori for the use of his deconvolution code and Hiroo Kanamori, Kim Olsen, Lee Steck, and Craig Scrivner for their reviews. This work was funded by SCEC Contract Number 569933 and NSF Grant EAR-9416340. Contribution Number 5732, Division of Geological and Planetary Sciences, California Institute of Technology.
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Southern California Earthquake Center (SCEC)569933
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Caltech Division of Geological and Planetary Sciences5732
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Official Citation: Lianxing Wen and Donald V. Helmberger Propagational corrections for basin structure: Landers earthquake Bulletin of the Seismological Society of America June 1997 87:782-787
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35708
Deposited By: Ruth Sustaita
Deposited On:28 Nov 2012 19:03
Last Modified:03 Oct 2019 04:30

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